Metal-Working Apparatus TRIZ Cases

A multifunctional electric groomer uses a magnetic clutch to switch between blade sets housed in one casing.

Segmented blades rotate in a circular pattern to cut hair while maintaining a safe distance from skin, reducing scarring risk.

Bending a continuous steel plate into an inverted box configuration reduces fabrication complexity and accelerates bridge installation.

A razor handle interconnector uses a rounded cavity and base to enable pivot motion without mechanical joints.

A handheld scraper uses a retractable guard to cover the blade and an ergonomic handle for scraping tasks.

Interchangeable jigs reduce equipment preparation time and initial investment while maintaining welding characteristics across multiple vehicle models.

Molding an integral element inside the handle hole eliminates insert detachment risks while simplifying manufacturing time.

Orthogonal side guards prevent bag roll ejection while plastic construction eliminates rust and corrosion risks.

Articulated jaw assemblies compress panel edges to remove excess material, preventing capillary action leaks in standing seam roofs.

A trimmer razor uses a cam pin and track to rotate the cover between open and closed positions.

A knife connecting base uses a lock-release button to secure blades without manual force.

Automated fiber placement cutters use reversible inserts with dual edges to extend blade lifespan and reduce downtime from wear.

A hand-held shaving device secures a double-edge razor blade at an optimal angle relative to the body surface.

Extraction of carriers from the carriage reduces inertia, enabling faster vertical table movement and compact machine tool design.

Segmented carbide inserts in a slicer blade guide reduce maintenance frequency by replacing worn components instead of the entire assembly.

A single-piece plastic dispenser system integrates elastic pushing and guiding features to automate blade extraction.

A double-edged razor blade uses strategic notches to guide controlled breakage along predetermined lines for user convenience.

An angled cutting edge slices through paper logs at 1° to 60°, reducing shear stress and maintenance while maintaining high production rates.

A common supply drive mechanically couples slicing machine modules, eliminating complex electronic synchronization and reducing contamination risks.

Opposite rotation with V-shaped openings improves hair-catching efficiency while reducing average remaining hair length.

Working machine modules draw out along intersecting tracks from a shared base, resolving maintenance interference and reducing the number of required bases.

UV curable ink forms a printed support structure on the lubricating member, providing structural integrity without adding reservoir complexity.

Varying groove bottom positions during wafer dicing prevent fragment dropping caused by thinning and cracking.

Resilient legs support an inclined blade to absorb impact forces, preventing skin scratches while maintaining consistent cutting performance.

Electromagnetic actuator releases the heavy carriage pivot bearing, eliminating manual handling risks during blade maintenance.

A self-aligning coupling linkage transmits rotational motion between misaligned drive train shafts in hair cutting appliances.

A shaving razor employs asymmetric handle geometry and a progressive spring mechanism to maintain cartridge flatness against skin contours.

Axially compressible mandrel tip prevents cross-threading and root damage by cushioning initial contact with insert threads.

A razor cartridge pivots two glide members about a single axis to conform to skin contours.

Segmented spring portions with distinct rates resolve uneven cushioning trade-offs by adapting support stiffness to specific load ranges.

A razor assembly uses a movable knob to adjust the distance between blades and guards.

A hair trimmer uses a single forwardly inclined blade to cut hairs separated by parallel housing elements.

A shaver cutting head uses segmented foil and support elements to distribute contact pressure during shaving operations.

A bending device integrates pre-cutting and finishing elements to execute clean profile cuts without secondary processing.

Load-bearing surfaces on the pivoting connecting member engage stop surfaces to prevent terminal portion breakage during over-rotation.

A cam and notch coupling assembly secures personal care appliance heads through rotational engagement of oppositely sloped surfaces.

An adjustable patio screen shaver cuts impaled pine needles from interior surfaces, preventing mold and water accumulation without climbing on the screen.

A rotating conduit cutting assembly employs a gliding safety top to shield operators from dust and prevent the cutting surface from damaging encased wiring.

A safety cutter uses a threaded shaft and nut to adjust blade exposure length through a rotatable knob.

Powder forging integrates distinct aluminum alloy rings to resolve the contradiction between gear weight and abrasion resistance in wave gear devices.

Complex salt coatings encapsulate reactive lithium metal cores, preventing air and water reactions to enable safe handling and extended storage life.

Pre-formed jacket tube lining enables metallurgical bonding through hot forming and cold forging over a mandrel.

An asymmetric fastener head uses four contact points instead of six to cut weight without sacrificing structural integrity or torque reliability.

A vehicle wheel disc production method integrates window creation with material forming to enhance structural rigidity and fatigue strength.

Segmented forging with intermediate thermal processing eliminates post-forming heat treatments to achieve uniform microstructural average grain size.

A powder magnetic core uses vinylsilane and hydrosilane to form crosslinked insulating layers on magnetic particles.

A metal plate cutting method deforms a target section into a thin wall using thickness-direction force to separate the part cleanly.

Alloy powder coating on amalgam balls prevents sticking, enabling smaller sizes for miniaturized energy-saving lamps.

Fine powder blending disperses hard particles uniformly in a valve seat matrix, resolving the trade-off between wear resistance and compactibility.

A wrapped plain bearing bushing uses inwardly projecting metal protrusions to hold captive sliding plastic plugs within the substrate.